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Finding the Fourth Proportional to 1,846.40, 2,769.18 and 1,114.98

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Solution

The fourth proportional to 1,846.40, 2,769.18 and 1,114.98 is: 1,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.40 : 2,769.18 = 1,114.98 : x
  2. Step 2: Convert to fraction form
    1,846.40/2,769.18 = 1,114.98/x
  3. Step 3: Cross multiply
    1,846.40x = 2,769.18 × 1,114.98
  4. Step 4: Simplify right side
    1,846.40x = 3,087,580.32
  5. Step 5: Solve for x
    x = 3,087,580.32/1,846.40
  6. Step 6: Final answer
    x = 1,672.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.